PO A12 Given the sample table set of data: Age of Senior Citizen member at Brgy. Kinatakutan 61 74 75 74 78 78 79 78 78 62 61 60 63 67 75 72 91 75 81 101 78 72 71 70 69 65 68 78 89 81 60 62 63 64 78 79 80 80 82 83 60 78 79 80 78 89 81 60 80 84 95 64 61 60 64 89 85 81 61 80 94 89 62 63 89 74 81 60 85 92 98 89 62 89 89 71 80 66 82 99 Identify the following: 1. Mean 2. Total number of sample space 3. Standard deviation 4. Variance
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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